Beautiful item, only tried on! This is a GU Lamb Blend Crew Neck Sweater! It's a knit with a texture perfect for fall and winter＾＾ Quoting from the HP: A simple crew neck sweater with a classic regular silhouette that's easy to wear. By using a more wool-like material, the look has been updated to be more casual, and the design is a perfect match for casual styles like denim. Color: Blue Size: M Shoulder width: Approximately 42cm Length: Approximately 70cm